<title>Novel light sources using micro field emitters</title>

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The paper describes the applications of micro- or nano-field emitters to a novel and compact light source. We have developed a compact pulse x-ray tube and demonstrated high-speed x-ray radiography images. We have also developed the electron-beam pumped ultraviolet (UV) light source consisting of a field emitter and a Si electron transparent film. This light source clearly showed a light emission due to Xe excimers in a vacuum UV region. In addition to them, we have successfully demonstrated Smith-Purcell radiation using a field emitter in a near infrared region.

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